Process for extracting non-ferrous metals from iron-bearing scra

Details Process for extracting non-ferrous metals from iron-bearing scra Process for extracting non-ferrous metals from iron-bearing scra

1981-11-20

1984-05-29

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 72, 75 83, C22B 1100, C22B 1500

Patent

active

044512899

ABSTRACT:
Non-ferrous metals are extracted from iron-bearing scraps by adding the scraps and a slagging agent for iron to a molten copper bath, injecting an oxygen containing gas in the bath and keeping the bath temperature below 1400.degree..
The scraps thus undergo an oxidizing smelting in the presence of a molten copper phase and a slagging agent for iron, resulting in a rapid extraction of non-ferrous metals from the scraps into the copper phase and a thorough iron slagging.

REFERENCES:
patent: 1125164 (1915-01-01), Page
patent: 3542352 (1970-11-01), Themelis
patent: 4055415 (1977-10-01), Stefan et al.

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